74AHC373 Philips Semiconductors, 74AHC373 Datasheet - Page 3

• Manufacturer Part Number: 74AHC373
• Description: Octal D-type transparent latch; 3-state
• Manufacturer: Philips Semiconductors

Philips Semiconductors
FUNCTION TABLE
See note 1.
Note
1. H = HIGH voltage level;
ORDERING INFORMATION
PINNING
1999 Nov 23
Enable and read register
(transparent mode)
Latch and read register
Latch register and
disable outputs
74AHC373D
74AHC373PW
74AHCT373D
74AHCT373PW
1
2, 5, 6, 9, 12, 15, 16
and 19
3, 4, 7, 8, 13, 14, 17
and 18
10
11
20
OPERATING MODES
Octal D-type transparent latch; 3-state
h = HIGH voltage level one set-up time prior to the HIGH-to-LOW LE transition;
L = LOW voltage level;
I = LOW voltage level one set-up time prior to the HIGH-to-LOW LE transition;
X = don’t care;
Z = high-impedance OFF-state.
OUTSIDE NORTH
AMERICA
PIN
74AHC373D
74AHC373PW DH
74AHCT373D
7AHCT373PW DH
OE
Q
D
GND
LE
V
CC
0
0
NORTH AMERICA
to D
to Q
OE
7
H
H
L
L
L
L
7
SYMBOL
INPUTS
LE
H
H
X
X
L
L
output enable input (active LOW)
latch outputs
data inputs
ground (0 V)
latch enable input (active HIGH)
DC supply voltage
3
PINS
20
20
20
20
D
H
X
X
L
h
I
PACKAGE
n
TSSOP
TSSOP
SO
SO
DESCRIPTION
74AHC373; 74AHCT373
PACKAGES
INTERNAL
LATCHES
MATERIAL
H
H
X
X
L
L
plastic
plastic
plastic
plastic
Product specification
OUTPUTS
Q
SOT163-1
SOT360-1
SOT163-1
SOT360-1
0
CODE
to Q
H
H
L
L
Z
Z
7